Patent No. EP2649175 (titled "Starter Culture Compositions") was filed by DSM Assets on Dec 8, 2011. The application was issued on Nov 29, 2017.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative |
|---|---|---|
| DUPONT NUTRITION BIOSCIENCES APS | Aug 29, 2018 | D YOUNG |
| CSK FOOD ENRICHMENT | Aug 28, 2018 | HGF |
| CHR HANSEN | Aug 20, 2018 | UEXKULL & STOLBERG |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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